Question

The population of Charlotte, North Carolina is approximately 840,000. What is this number in scientific notation?

84 x 10^5

84 x 10^4

8.4 x 10^5

8.4 x 10^4

Answer 1

[AI-generated answer — Bot GPT-4 Turbo]

To express the population of Charlotte, North Carolina, which is 840,000, in scientific notation, we first need to rewrite it as a number between 1 and 10 multiplied by a power of 10.

840,000 in scientific notation is 8.4 x 10^5. Here is the breakdown:

- We move the decimal point 5 places to the left to turn 840,000 into 8.4.
- Since we moved the decimal point 5 places, it is 10 to the power of 5.

So, the correct scientific notation for a population of 840,000 is:

8.4 x 10^5